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    SubjectRe: [PATCH] General purpose zeroed page slab
    On Thu, 14 Oct 2004, Andi Kleen wrote:

    > Also that's pretty dumb. How about keeping track how much of the
    > page got non zeroed (e.g. by using a few free words in struct page
    > for a coarse grained dirty bitmap)
    > Then you could memset on free only the parts that got actually
    > changed, and never waste cache lines for anything else.

    That will fail when a struct is placed in the page, and only the beginning and
    end of the struct was changed.

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